Beispiel #1
0
	Color GetSpecularClr(TimeValue t){ return pblock->GetColor(PB_SPECULAR_CLR,t);	}
	//---------------------------------------------------------------
	void LightExporter::exportLight( ExportNode* exportNode )
	{
		if ( !exportNode->getIsInVisualScene() )
			return;
		
		String lightId = getLightId(*exportNode);

		INode * iNode = exportNode->getINode();

		LightObject* lightObject = (LightObject*) (iNode->GetObjectRef());

		if ( !lightObject )
			return;

		if (  mDocumentExporter->isExportedObject(ObjectIdentifier(lightObject)) )
			return;

		mDocumentExporter->insertExportedObject(ObjectIdentifier(lightObject), exportNode);

		// Retrieve the target node, if we are not baking matrices.
		// Baked matrices must always sample the transform!
		ULONG ClassId = lightObject->ClassID().PartA();
		bool isTargeted = !mDocumentExporter->getOptions().getBakeMatrices() && (ClassId == SPOT_LIGHT_CLASS_ID || ClassId == TDIR_LIGHT_CLASS_ID);
		
		INode* targetNode = isTargeted ? iNode->GetTarget() : 0;

		// some lights are not supported at all
		switch (ClassId)
		{
		case FSPOT_LIGHT_CLASS_ID:
		case SPOT_LIGHT_CLASS_ID:
		case DIR_LIGHT_CLASS_ID: 
		case TDIR_LIGHT_CLASS_ID:
		case SKY_LIGHT_CLASS_ID_PART_A:
		case OMNI_LIGHT_CLASS_ID:
			break;
		default:
			return;
		}


		// Determine the light's type
		bool isSpot = false;
		bool isDirectional = false;
		bool isPoint = false;
		bool isSky = false;

		COLLADASW::Light::LightType lightType;

		switch (ClassId)
		{
		case FSPOT_LIGHT_CLASS_ID:
		case SPOT_LIGHT_CLASS_ID: 
			lightType = COLLADASW::Light::SPOT; 
			isSpot = true; 
			break;
		case DIR_LIGHT_CLASS_ID: 
		case TDIR_LIGHT_CLASS_ID: 
			lightType = COLLADASW::Light::DIRECTIONAL; 
			isDirectional = true; 
			break;
		case SKY_LIGHT_CLASS_ID_PART_A:
			lightType = COLLADASW::Light::POINT; 
			isSky = true;
			break;
		case OMNI_LIGHT_CLASS_ID:
			lightType = COLLADASW::Light::POINT; 
			isPoint = true;
			break;
		}

		COLLADASW::Light * colladaLight = 0;

		switch ( lightType )
		{
		case COLLADASW::Light::DIRECTIONAL:
			colladaLight = new COLLADASW::DirectionalLight(COLLADASW::LibraryLights::mSW, lightId, COLLADASW::Utils::checkNCName(NativeString(exportNode->getINode()->GetName())));
			break;
		case COLLADASW::Light::POINT:
			colladaLight = new COLLADASW::PointLight(COLLADASW::LibraryLights::mSW, lightId, COLLADASW::Utils::checkNCName(NativeString(exportNode->getINode()->GetName())));
			break;
		case COLLADASW::Light::SPOT:
			colladaLight = new COLLADASW::SpotLight(COLLADASW::LibraryLights::mSW, lightId, COLLADASW::Utils::checkNCName(NativeString(exportNode->getINode()->GetName())));
			break;
		}

		// Retrieve the parameter block
		IParamBlock* parameters = 0;
		IParamBlock2* parametersSky = 0;

		if (isSky)
			parametersSky = (IParamBlock2*) lightObject->GetReference(MaxLight::PBLOCK_REF_SKY);
		else
			parameters = (IParamBlock*) lightObject->GetReference(MaxLight::PBLOCK_REF);

		if (!parameters && !parametersSky)
		{
			delete colladaLight;
			return;
		}


		if (parameters)
		{
			bool hasAnimatedColor = mAnimationExporter->addAnimatedParameter(parameters, MaxLight::PB_COLOR, lightId, colladaLight->getColorDefaultSid(), 0 );
			colladaLight->setColor(EffectExporter::maxColor2Color(parameters->GetColor(MaxLight::PB_COLOR)), hasAnimatedColor);
		}
		else if (parametersSky )
		{
			bool hasAnimatedColor = mAnimationExporter->addAnimatedParameter(parametersSky, MaxLight::PB_SKY_COLOR, lightId, colladaLight->getColorDefaultSid(), 0 );
			colladaLight->setColor(EffectExporter::maxColor2Color(parametersSky->GetColor(MaxLight::PB_SKY_COLOR)), hasAnimatedColor);
		}


		if (isSpot || isPoint)
		{
			int decayFunction = parameters->GetInt(isPoint ? MaxLight::PB_DECAY : MaxLight::PB_OMNIDECAY, mDocumentExporter->getOptions().getAnimationStart());
			switch (decayFunction)
			{
			case 1:
				colladaLight->setConstantAttenuation(0.0f);
				colladaLight->setLinearAttenuation(1.0f);
				break;
			case 2:
				colladaLight->setConstantAttenuation(0.0f);
				colladaLight->setQuadraticAttenuation(1.0f);
				break;
			case 0:
			default:
				colladaLight->setConstantAttenuation(1.0f);
				break;
			}
		}
		else if (isSky)
		{
			colladaLight->setConstantAttenuation(1.0f);
		}

		setExtraTechnique(colladaLight);


		if ( parameters )
			addParamBlockAnimatedExtraParameters(LIGHT_ELEMENT, LIGHT_PARAMETERS, LIGHT_PARAMETER_COUNT, parameters, lightId);
		else
			addParamBlockAnimatedExtraParameters(SKYLIGHT_ELEMENT, SKYLIGHT_PARAMETERS, SKYLIGHT_PARAMETER_COUNT, parametersSky, lightId);

		// add all the information to extra tag, that are not contained in IParamBlock
		if (isSpot || isDirectional || isPoint)
		{
			GenLight* light = (GenLight*)(lightObject);

			if (!light)
			{
				delete colladaLight;
				return;
			}


			// Export the overshoot flag for directional lights
			if (isDirectional || isSpot)
			{
				addExtraChildParameter(LIGHT_ELEMENT, OVERSHOOT_PARAMETER, light->GetOvershoot() != false);
			}

			addExtraChildParameter(LIGHT_ELEMENT, DECAY_TYPE_PARAMETER, (int)light->GetDecayType());
			addExtraChildParameter(LIGHT_ELEMENT, USE_NEAR_ATTENUATION_PARAMETER, (light->GetUseAttenNear() != false));
			addExtraChildParameter(LIGHT_ELEMENT, USE_FAR_ATTENUATION_PARAMETER, (light->GetUseAtten() != false));

			exportShadowParameters(light);

			if (light->GetProjector())
			{
				Texmap* projectorMap = light->GetProjMap();
				if (projectorMap)
				{
					String imageId = exportTexMap(projectorMap);
					if ( !imageId.empty() )
					{
						addExtraChildParameter(LIGHT_ELEMENT, LIGHT_MAP_ELEMENT, "#" + imageId);
					}
				}
			}


		}
		else // isSky
		{
			Texmap *colorMap = parametersSky->GetTexmap(MaxLight::PB_SKY_COLOR_MAP, mDocumentExporter->getOptions().getAnimationStart());
			
			String imageId = exportTexMap(colorMap);
			if ( !imageId.empty())
			{
				addExtraChildParameter(SKYLIGHT_ELEMENT, SKYLIGHT_COLORMAP_ELEMENT, "#" + imageId);
			}
		}

		addLight(*colladaLight);

		delete colladaLight;

	}
Beispiel #3
0
	Color GetAmbientClr(TimeValue t){ return pblock->GetColor(PB_AMBIENT_CLR,t); }